Product Description
"PC, smartphone and tablet headset: Easy to connect and switch between devices Rich digital stereo sound: Laser-tuned speaker drivers, built-in equalizer and noise-cancelling mic for crystal clear calls and music*. Sensitivity (microphone)- -47dBV/Pa +/- 3dB. Sensitivity (headphone)- 97dB +/-3dB 40 ft. wireless range: Listen and chat up to 12 m from your PC-or pair with your smartphone or tablet using Bluetooth. Input impedance: 32 Ohms Six-hour rechargeable battery : Listen and chat longer with easy USB charging. Frequency response (Headset): Wideband: 30Hz to 15KHz, Narrowband: 40Hz to 3.2KHz. Frequency response (Microphone): 100Hz to 6,500Hz Padded comfort: Adjustable padded headband and sculpted ear cups for a feel-good fit "
![KVIDIO [Updated] Bluetooth Headphones Over Ear, 65 Hours Playtime Wireless Headphones with Microphone,Foldable Lightweight Headset with Deep Bass,HiFi Stereo Sound for Travel Work Laptop PC Cellphone](https://m.media-amazon.com/images/I/41aXNBJ4b8L._SL160_.jpg?maxX=160&maxY=160 "KVIDIO [Updated] Bluetooth Headphones Over Ear, 65 Hours Playtime Wireless Headphones with Microphone,Foldable Lightweight Headset with Deep Bass,HiFi Stereo Sound for Travel Work Laptop PC Cellphone")